X-Message-Number: 24332
Date: Sun, 4 Jul 2004 20:10:44 -0700 (PDT)
From: Doug Skrecky <>
Subject: 142'nd update on fly longevity experiments

    This is the 142'nd update of my fly longevity experiments. Average
temperature was 23.6 C during this run. Estimated maximal longevity using
the formula (363 - T*11.2) is 99 days.
    Here I test a number of pills I picked up from  a Chinese store, and
compare them to additions of sugars. One pill called
tonic-for-rejuventation I selected just for the name.
    The tonic did  OK anyhow, as  did the "cataract" tablets. However
inexpensive common table sugar (sucrose) was effective as well. Once again
sucrose out-pointed fructose. I hypothesize that the advantage of added
sugars might be due to (osmotic) inhibition of bacteria.

Run #142                          Percent Survival on Day
supplement                10  21 26 33 38 47 53 58 63 68 80 89 95
_________________________________________________________________
control one              100  97 90 82 59 23 21 21 13  3  0  -  -
control two               91  83 83 74 65 22 17 11  7  7  0  -  -
cataract pill,1 tab      100  89 78 50 39 20 15 13  9  7  7  0  -
cataract pill, 4 tab      98  94 87 72 63 50 26 26 17 13  2  0  -
fructose 2 tsp            98  91 84 73 60 33 24 18  9  7  2  0  -
sucrose 1 tsp             97  94 94 68 65 48 36 23 23 19  7  0  -
sucrose 2 tsp             95  90 90 88 71 44 39 37 27 24 12  2  0
sucrose 3 tsp            100  94 94 80 73 51 37 35 24 20 12  0  -
sugar, brown 2 tsp        97  87 78 73 62 49 43 35 24 16  0  -  -
tienchi  1 tab           100  94 85 59 39 28 13  9  2  0  -  -  -
tienchi 4 tab             88  82 70 49 49 33 18 18  9  6  0  -  -
tonic-for-rejuvenation-1 100  92 92 64 64 41 23 21 15 15 13  3  0
tonic-for-rejuvenation-4  95  95 92 76 71 63 47 45 37 32  3  0  -
wu mei tea 0.3%           89  86 82 61 36 36 21  7  4  0  -  -  -
wu mei tea 16.7%          92 100 92 81 69 46 35 27 23  4  0  -  -
+ ling zhi 600mg          87  80 77 64 56 41 36 21  8  8  3  0  -

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